4.6×0.75+0.46×2.5的简便运算

分类: 作业答案 • 2022-02-21 18:07:29

问题描述：

答

4.6×0.75+0.46×2.5
=4.6x0.75+4.6x0.25
=4.6x(0.75+(0.25)
=4.6x1
=4.6

答

4.6×0.75+0.46×2.5=0.46*7.5+0.46*2.5=0.46*（7.5+2.5）=0.46*10=4.6

答

4.6×0.75+0.46×2.5
=4.6×0.75+4.6×0.25
=（0.75+0.25）×4.6
=1×4.6
=4.6

答

4.6×0.75+0.46×2.5
=0.46×7.5+0.46×2.5
=0.46×(7.5+2.5)
=0.46×10
=4.6